As you are not in the business, you will never know. I am sure the advertising revenue at t2w is sufficiently handsome for the mods to dispense with 'trading' and the associated risks. Then there's the jackpot of someone coming along to pay a couple of millions for the site and it's member email addresses.
If I were in your shoes, I'd give up that random entry system (with a MA cross over theme) of yours and start a sure bet money maker of running a forum. Have you ever wondered why CV could make 500% in a couple of weeks, yet he preferred modding a forum instead ?
Joe what is this nonsense about ?
Very occasionally I might post a nugget or 2. It's not my problem if you can't recognize them...capish !
Iv'e helped quite a few members for free over the yrs.
Here's a clue...they don't find me, I find them.
Oh and don't worry, you will never be found.